Math, asked by adilmohdhafeez, 11 months ago

find the valve of ab
if a-b=4 and a^2+b^2=32.​

Answers

Answered by Anonymous
0

Answer:

ab = -8

Step-by-step explanation:

 {(a - b)}^{2}  =  {a }^{2}  +  {b}^{2}  + 2ab \\  =  >  {4}^{2}  = 32 + 2ab \\  =  > 16 = 32 + 2ab \\  =  >  - 2ab = 32 - 16 \\  =  >  - 2ab = 16 \\  =  > ab =  \frac{16}{ - 2}  \\  =  > ab =  - 8

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